add: broadcast socket id for user sockets

crates/app/src/routes/api/v1/auth/profile.rs

@@ -456,6 +456,18 @@ pub async fn handle_socket(socket: WebSocket, db: DataManager, user_id: String,
     // get channel permissions
     let channel = format!("{user_id}/{stream_id}");
 
+    // identify socket
+    sink.send(WsMessage::Text(
+        serde_json::to_string(&SocketMessage {
+            method: SocketMethod::Forward(PacketType::Key),
+            data: socket_id.clone(),
+        })
+        .unwrap()
+        .into(),
+    ))
+    .await
+    .unwrap();
+
     // ...
     let mut recv_task = tokio::spawn(async move {
         while let Some(Ok(WsMessage::Text(text))) = stream.next().await {